- 25 Clutch96
- 26 Manual transmission341
- 27 Automatic transmission45
- 31 Frame, trailer operation61
- 32 Suspension77
- 33 Front axle42
- 35 Rear axle245
- 40 Wheels, chassis alignment check35
- 41 Propeller shaft6
- 42 Brakes - hydraulic and mechanical systems101
- 43 Brakes - pneumatic system and auxiliary brakes61
- 46 Steering174
- 54 Electrical system, equipment and instruments140
- 55 Auxiliary drive systems, hydraulic and linkage systems4
- 57 Central lubrication system18